Remote Desktop Client for Windows RCE (June 2023)

#%NASL_MIN_LEVEL 80900
##
# Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(177317);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/07/13");

  script_cve_id("CVE-2023-29362");
  script_xref(name:"IAVA", value:"2023-A-0305-S");
  script_xref(name:"IAVA", value:"2023-A-0306-S");

  script_name(english:"Remote Desktop Client for Windows RCE (June 2023)");

  script_set_attribute(attribute:"synopsis", value:
"The Windows app installed on the remote host is affected by a remote code execution vulnerability.");
  script_set_attribute(attribute:"description", value:
"The Windows Remote Desktop client for Windows installed on the remote host is missing security updates. It is, 
therefore, affected by a remote code execution vulnerability. An attacker can exploit this to bypass authentication and 
execute unauthorized arbitrary commands.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29362
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?fddfcafa");
  # https://learn.microsoft.com/en-us/azure/virtual-desktop/whats-new-client-windows#updates-for-version-124337
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?f142e845");
  script_set_attribute(attribute:"solution", value:
"Upgrade to client version 1.2.4337 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-29362");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"vuln_publication_date", value:"2023/06/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/06/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/06/14");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

  script_copyright(english:"This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("remote_desktop_installed.nbin");
  script_require_keys("installed_sw/Microsoft Remote Desktop");

  exit(0);
}

include('vcf.inc');

var appname = "Microsoft Remote Desktop";

var app_info = vcf::get_app_info(app:appname, win_local:TRUE);

vcf::check_granularity(app_info:app_info, sig_segments:3);

var constraints = [
    { 'fixed_version' : '1.2.4337' }
];

vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_HOLE);